fix dataframe_from_ctable doctest

mrocklin · Oct 20, 2015 · cd74eb1 · cd74eb1
1 parent 07922ed
commit cd74eb1
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/dask/dataframe/io.py b/dask/dataframe/io.py
@@ -459,6 +459,8 @@ def dataframe_from_ctable(x, slc, columns=None, categories=None):
 
     """
     import bcolz
+    if columns is None:
+        columns = x.dtype.names
     if isinstance(columns, tuple):
         columns = list(columns)